EP2309135A4 - Servo valve - Google Patents

Servo valve

Info

Publication number: EP2309135A4
Authority: EP; European Patent Office
Prior art keywords: servo valve; servo; valve
Prior art date: 2008-08-08
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP09804801.0A

Other languages

German (de)

French (fr)

Other versions

EP2309135A1 (en

Inventor

Toshikazu Hayashi

Atsushi Yuge

Michiya Uchida

Makoto Kuga

Minobu Tsurutani

Taito Ogushi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Mitsubishi Heavy Industries Ltd

Original Assignee

Mitsubishi Heavy Industries Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2008-08-08

Filing date

2009-05-29

Publication date

2013-12-11

2009-05-29 Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd

2011-04-13 Publication of EP2309135A1 publication Critical patent/EP2309135A1/en

2013-12-11 Publication of EP2309135A4 publication Critical patent/EP2309135A4/en

Status Withdrawn legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
- F15B13/0438—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being of the nozzle-flapper type
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/86582—Pilot-actuated
- Y10T137/86614—Electric
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/8671—With annular passage [e.g., spool]

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Servomotors (AREA)
Fuel-Injection Apparatus (AREA)

EP09804801.0A 2008-08-08 2009-05-29 Servo valve Withdrawn EP2309135A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2008206370		2008-08-08
JP2009105444A JP5232714B2 (en)	2008-08-08	2009-04-23	Servo valve
PCT/JP2009/059859 WO2010016314A1 (en)	2008-08-08	2009-05-29	Servo valve

Publications (2)

Publication Number	Publication Date
EP2309135A1 EP2309135A1 (en)	2011-04-13
EP2309135A4 true EP2309135A4 (en)	2013-12-11

Family

ID=41663539

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09804801.0A Withdrawn EP2309135A4 (en)	2008-08-08	2009-05-29	Servo valve

Country Status (6)

Country	Link
US (1)	US20120216896A1 (en)
EP (1)	EP2309135A4 (en)
JP (1)	JP5232714B2 (en)
KR (2)	KR20110020949A (en)
CN (1)	CN102112754A (en)
WO (1)	WO2010016314A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5781330B2 (en) *	2011-02-28	2015-09-24	三菱重工業株式会社	Valve operating device for internal combustion engine
WO2015119959A1 (en)	2014-02-05	2015-08-13	Pentair Valves & Controls US LP	Valve controller with flapper nozzle pilot valve
JP6278558B2 (en) *	2014-02-27	2018-02-14	三菱重工機械システム株式会社	Pilot pressure adjusting device, servo valve, and actuator
FR3063279B1 (en) *	2017-02-24	2019-04-19	Safran Landing Systems	PRESSURE CONTROL SERVOVALVE WITH REDUCED LEAKAGE RATE
EP3502486B1 (en)	2017-12-22	2020-10-28	Hamilton Sundstrand Corporation	Servo valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2163833A (en) *	1984-07-31	1986-03-05	Yamatake Honeywell Co Ltd	Switching valve and electric-pressure transducer utilizing thereof
US6755205B1 (en) *	2002-09-12	2004-06-29	Woodward Governor Company	Method to stabilize a nozzle flapper valve
WO2005111430A1 (en) *	2004-05-13	2005-11-24	Danfoss A/S	Hydraulic valve arrangement, in particular water hydraulic valve arrangement

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2972999A (en) *	1955-11-01	1961-02-28	Sanders Associates Inc	Two-stage, differential, hydraulic servo valve
US2962002A (en) *	1956-04-10	1960-11-29	Sanders Associates Inc	Two-stage hydraulic servo valve
US3152612A (en) *	1956-09-28	1964-10-13	Gen Electric	Piezoelectric crystal transducer for controlling fluid flow
DE1069972B (en) *	1957-01-30	1959-11-26
US3447555A (en) *	1965-05-24	1969-06-03	Bell Aerospace Corp	Hydraeric position monitoring apparatus
US3555970A (en) *	1968-08-08	1971-01-19	Bell Aerospace Corp	Pressure regulator for servo valve having dynamic load adaptive response
JPS483270B1 (en) *	1969-07-12	1973-01-30
JPS6139111A (en) *	1984-07-31	1986-02-25	Tokyo Keiki Co Ltd	Position follow-up proportional solenoid type spool valve
FR2583115B1 (en) *	1985-06-10	1989-03-10	Centre Techn Ind Mecanique	ELECTROFLUIDIC TRANSDUCER OF THE NOZZLE / PALLET TYPE AND HYDRAULIC SERVOVALVE EQUIPPED WITH SUCH A TRANSDUCER
GB8717637D0 (en) *	1987-07-24	1987-09-03	Lucas Ind Plc	Fluid metering valve
JPH0366988A (en) *	1989-08-04	1991-03-22	Nippon Muugu Kk	Pressure switch manifold
US5314118A (en) *	1991-02-14	1994-05-24	Mannesmann Rexroth Gmbh	Piezoelectric controllable nozzle resistance for hydraulic apparatus
JPH0754672A (en) *	1993-08-11	1995-02-28	Ishikawajima Harima Heavy Ind Co Ltd	Turbine fuel flow controller
JP2001082411A (en) *	1999-09-17	2001-03-27	Japan Science & Technology Corp	Digital valve
FR2873828B1 (en) *	2004-07-27	2006-10-20	In Lhc Soc Par Actions Simplif	PRESSURE CONTROL SERVOVALVE WITH REDUCED LEAKAGE RATE
US20060232166A1 (en) *	2005-04-13	2006-10-19	Par Technologies Llc	Stacked piezoelectric diaphragm members
US8082952B2 (en) *	2008-08-22	2011-12-27	Hamilton Sundstrand Corporation	Piezoelectric bending element actuator for servo valve

2009
- 2009-04-23 JP JP2009105444A patent/JP5232714B2/en active Active
- 2009-05-29 CN CN2009801301588A patent/CN102112754A/en active Pending
- 2009-05-29 EP EP09804801.0A patent/EP2309135A4/en not_active Withdrawn
- 2009-05-29 WO PCT/JP2009/059859 patent/WO2010016314A1/en active Application Filing
- 2009-05-29 US US13/057,615 patent/US20120216896A1/en not_active Abandoned
- 2009-05-29 KR KR1020117002314A patent/KR20110020949A/en active Application Filing
- 2009-05-29 KR KR1020137016509A patent/KR101335213B1/en active IP Right Grant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2163833A (en) *	1984-07-31	1986-03-05	Yamatake Honeywell Co Ltd	Switching valve and electric-pressure transducer utilizing thereof
US6755205B1 (en) *	2002-09-12	2004-06-29	Woodward Governor Company	Method to stabilize a nozzle flapper valve
WO2005111430A1 (en) *	2004-05-13	2005-11-24	Danfoss A/S	Hydraulic valve arrangement, in particular water hydraulic valve arrangement

Also Published As

Publication number	Publication date
CN102112754A (en)	2011-06-29
WO2010016314A1 (en)	2010-02-11
JP2010060128A (en)	2010-03-18
KR20130100188A (en)	2013-09-09
KR101335213B1 (en)	2013-11-29
JP5232714B2 (en)	2013-07-10
EP2309135A1 (en)	2011-04-13
US20120216896A1 (en)	2012-08-30
KR20110020949A (en)	2011-03-03

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EP2309135A4 (en)	2013-12-11	Servo valve
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HK1140249A1 (en)	2010-10-08	Valve
PL2147875T3 (en)	2013-09-30	Actuator
PL2307777T3 (en)	2019-03-29	Valve
GB2461989B (en)	2012-06-06	Valve
GB0816866D0 (en)	2008-10-22	Valve
GB0813214D0 (en)	2008-08-27	Valve
GB0813390D0 (en)	2008-08-27	Valve

Legal Events

Date	Code	Title	Description
2011-03-11	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2011-04-13	17P	Request for examination filed	Effective date: 20110207
2011-04-13	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
2011-04-13	AX	Request for extension of the european patent	Extension state: AL BA RS
2011-11-16	DAX	Request for extension of the european patent (deleted)
2013-12-11	A4	Supplementary search report drawn up and despatched	Effective date: 20131113
2013-12-11	RIC1	Information provided on ipc code assigned before grant	Ipc: F15B 13/043 20060101AFI20131107BHEP
2014-12-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2015-01-07	18D	Application deemed to be withdrawn	Effective date: 20140611